// *** LICENSE HEADER ***
// Filename: ./button.h
// This file is part of Nodewarz 0.1
// Nodewarz is a 3d OpenGL strategy game
// Copyright (C) 2007 CZestmyr
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
// *** END LICENSE HEADER ***
#ifndef NODEWARS_BUTTON_H
#define NODEWARS_BUTTON_H

#include "guielement.h"
#include "fonts.h"
#include "definitions.h"
#include "imagefunctions.h"
#include <cstring>
#include <GL/gl.h>
#include <SDL.h>

class fonts;

//A gui button element
class button: public guielement{
    public:
        button(int newId, int posX, int posY, int width, int height, const char* text);
        ~button();

        // Draws this button. Should be called inside the OpenGL render loop
        void Draw(fonts* fontDrawer);
        // Returns ID of this button if it was clicked, else returns zero
        // From this you can see, that no ID should equal zero
        int Click(int clickX, int clickY);
        // Returns ID of this button if it was clicked and is being released now
        // Else sets the clicked state to false and returns zero
        int Release(int clickX, int clickY);

        //Loads the static button texture
        static void LoadTexture();
        //Unloads the button static texture
        static void UnloadTexture();
    private:
        bool clicked;

        int w, h;

        static GLuint buttonTexture;
};

#endif
